The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
May. 09, 2007
Applicant:
Christopher Ellison, Liancourt, FR;
Inventor:
Christopher Ellison, Liancourt, FR;
Assignee:
Saint-Gobain Isover, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/00 (2006.01); G01R 23/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for detecting localized defects, such as hot spots or wet spots, present in a mat of mineral fibers bonded by a binder, including using a microwave radiation of frequency ranging between 1 and 50 GHz, preferably between 5 and 10 GHz, the total power of the emitted electromagnetic wave ranging between 0.1 and 5 watts, preferably of the order of 1 watt. The invention also concerns a device for implementing said method as well as an installation for continuously making mineral fiber mats containing said device.